Editing Illusory correlation (section)

===General theory===
Most explanations for illusory correlation involve psychological ''[[heuristics in judgment and decision making|heuristics]]'': information processing short-cuts that underlie many human judgments.<ref name=Plous164 /> One of these is ''[[availability heuristic|availability]]'': the ease with which an idea comes to mind. Availability is often used to estimate how likely an event is or how often it occurs.<ref>{{Harvnb |Plous|1993|p=121}}</ref> This can result in illusory correlation, because some pairings can come easily and vividly to mind even though they are not especially frequent.<ref name="Plous164">{{Harvnb|Plous|1993|pp=164–167}}</ref>